Home / 1,836,639.49-2,754,987.03-699,464.64

Finding the Fourth Proportional to 1,836,639.49, 2,754,987.03 and 699,464.64

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Solution

The fourth proportional to 1,836,639.49, 2,754,987.03 and 699,464.64 is: 1,049,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,639.49 : 2,754,987.03 = 699,464.64 : x
  2. Step 2: Convert to fraction form
    1,836,639.49/2,754,987.03 = 699,464.64/x
  3. Step 3: Cross multiply
    1,836,639.49x = 2,754,987.03 × 699,464.64
  4. Step 4: Simplify right side
    1,836,639.49x = 1,927,016,011,143.62
  5. Step 5: Solve for x
    x = 1,927,016,011,143.62/1,836,639.49
  6. Step 6: Final answer
    x = 1,049,207.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.